In this paper we address the issue of how transmission uncertainty could affect the choice between a federal monetary policy based on national data and one on aggregated data.We find that the uncertainty about the transmission process increases the need to take into account information about...

We estimate a three-region (DE-REA-RoW) structural macroeconomic model, and we provide a counterfactual on how nominal exchange rate flexibility would have affected the German trade balance (TB) by simulating the shocks of the estimated model under a counterfactual flexible exchange rate regime....